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f94afebb94
A bug occurs when the sigchld handler is called and a child which is not in the process list just left, or with an empty process list. The child variable won't be set and left as an uninitialized variable or set to the wrong child entry, which can lead to a free of this uninitialized variable or of the wrong child. This can lead to a crash of the master during a stop or a reload. It is not supposed to happen with a worker which was created by the master. A cause could be a fork made by a dependency. (openssl, lua ?) This patch strengthens the case of the missing child by doing the free only if the child was found. This patch must be backported to 1.9.
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)